Getting the temperature right during shipping is the difference between a perfect batch and a sticky disaster. Gummy supplements need a stable environment to keep their quality, texture, and stability intact.
Recommended Temperature Ranges
Most gummy supplements do best in a cool, dry, and stable environment. Formulations vary: pectin-based gummies tolerate more heat than gelatin ones. The general sweet spot is:
- Ideal Range: 59°F to 77°F (15°C to 25°C)
- Acceptable Range (Short-Term): 40°F to 85°F (4°C to 29°C)
Why Temperature Control Matters
Temperature extremes cause most of the damage.
- Heat: High temps melt gummies, make them stick, ruin their shape, or degrade sensitive ingredients.
- Cold: Freezing temperatures cause condensation when they thaw, which messes with the texture and can encourage mold.
- Fluctuation: Repeated up-and-down temps make gummies "sweat" as sugars and moisture rise to the surface, leaving a sticky film and risking stability.
- Humidity: Gummies pull moisture from humid air, which softens them and compounds heat damage. Keep relative humidity below 60%.
How the Temperature Range Is Set
The 59-77°F range is a general rule. The number that matters is the one your manufacturer validates for your formula, and that number comes from stability testing. Finished gummies are held at 25°C with 60% relative humidity long-term, and at 40°C with 75% relative humidity under accelerated conditions, with samples checked for potency, appearance, texture, and water activity. If the accelerated run shows melting or losing actives, the label's range tightens. A formula that passed at 25°C hasn't been shown to survive three days in a 100°F truck unless the data says it did, so ask for that data before you commit to a shipping lane.
Best Practices for Shipping
To make sure temperatures stay in the zone, responsible shippers follow a few key steps:
- Use insulated packaging or thermal liners when transit temperatures run hot or cold.
- Label packages clearly: "Store in a cool, dry place" and "Protect from excessive heat."
- Plan logistics to minimize time in transit, especially for long hauls.
- Never leave packages in direct sunlight or in non-climate-controlled trucks or warehouses.
Stick to these guidelines, and your gummies will survive the journey in one piece: no melting, no sweating, no mold.